Re: [PATCH v6 10/23] drm/modes: Fill drm_cmdline mode from named modes

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Den 26.10.2022 17.33, skrev maxime@xxxxxxxxxx:
> The current code to deal with named modes will only set the mode name, and
> then it's up to drivers to try to match that name to whatever mode or
> configuration they see fit.
> 

I couldn't find any driver that does that, all I could find that cares
about named modes are drm_client. Did I miss something here?

Apart from that:

Reviewed-by: Noralf Trønnes <noralf@xxxxxxxxxxx>

> The plan is to remove that need and move the named mode handling out of
> drivers and into the core, and only rely on modes and properties. Let's
> start by properly filling drm_cmdline_mode from a named mode.
> 
> Signed-off-by: Maxime Ripard <maxime@xxxxxxxxxx>
> ---
>  drivers/gpu/drm/drm_modes.c | 18 ++++++++++++++++--
>  1 file changed, 16 insertions(+), 2 deletions(-)
> 
> diff --git a/drivers/gpu/drm/drm_modes.c b/drivers/gpu/drm/drm_modes.c
> index 7594b657f86a..acee23e1a8b7 100644
> --- a/drivers/gpu/drm/drm_modes.c
> +++ b/drivers/gpu/drm/drm_modes.c
> @@ -2226,11 +2226,22 @@ static int drm_mode_parse_cmdline_options(const char *str,
>  
>  struct drm_named_mode {
>  	const char *name;
> +	unsigned int xres;
> +	unsigned int yres;
> +	unsigned int flags;
>  };
>  
> +#define NAMED_MODE(_name, _x, _y, _flags)		\
> +	{						\
> +		.name = _name,				\
> +		.xres = _x,				\
> +		.yres = _y,				\
> +		.flags = _flags,			\
> +	}
> +
>  static const struct drm_named_mode drm_named_modes[] = {
> -	{ "NTSC", },
> -	{ "PAL", },
> +	NAMED_MODE("NTSC", 720, 480, DRM_MODE_FLAG_INTERLACE),
> +	NAMED_MODE("PAL", 720, 576, DRM_MODE_FLAG_INTERLACE),
>  };
>  
>  static int drm_mode_parse_cmdline_named_mode(const char *name,
> @@ -2271,6 +2282,9 @@ static int drm_mode_parse_cmdline_named_mode(const char *name,
>  			continue;
>  
>  		strcpy(cmdline_mode->name, mode->name);
> +		cmdline_mode->xres = mode->xres;
> +		cmdline_mode->yres = mode->yres;
> +		cmdline_mode->interlace = !!(mode->flags & DRM_MODE_FLAG_INTERLACE);
>  		cmdline_mode->specified = true;
>  
>  		return 1;
> 



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